Finding the Fourth Proportional to 22,345.24, 33,521.42 and 7,555

Step by Step Solution

1. Step 1: Write the proportion equation
   22,345.24 : 33,521.42 = 7,555 : x
2. Step 2: Convert to fraction form
   22,345.24/33,521.42 = 7,555/x
3. Step 3: Cross multiply
   22,345.24x = 33,521.42 × 7,555
4. Step 4: Simplify right side
   22,345.24x = 253,254,328.10
5. Step 5: Solve for x
   x = 253,254,328.10/22,345.24
6. Step 6: Final answer
   x = 11,333.70